def fun(arg1,arg2):
     print('arg1',arg1)
     print('arg2',arg2)
     arg1=100
     arg2.append(10)
     print('arg1', arg1)
     print('arg2', arg2)
     return

     n1=11
     n2=[22,33,44]
     print('n1',n1)
     print('n2',n2)
     fun(n1,n2)

     print('n1',n1)
     print('n2',n2)
